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Finding the Fourth Proportional to 572,287.33, 859,273.67 and 320,061.98

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Solution

The fourth proportional to 572,287.33, 859,273.67 and 320,061.98 is: 480,564.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,287.33 : 859,273.67 = 320,061.98 : x
  2. Step 2: Convert to fraction form
    572,287.33/859,273.67 = 320,061.98/x
  3. Step 3: Cross multiply
    572,287.33x = 859,273.67 × 320,061.98
  4. Step 4: Simplify right side
    572,287.33x = 275,020,833,330.04
  5. Step 5: Solve for x
    x = 275,020,833,330.04/572,287.33
  6. Step 6: Final answer
    x = 480,564.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.